Home / 7,189.26-10,781.76-3,238.23

Finding the Fourth Proportional to 7,189.26, 10,781.76 and 3,238.23

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Solution

The fourth proportional to 7,189.26, 10,781.76 and 3,238.23 is: 4,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.26 : 10,781.76 = 3,238.23 : x
  2. Step 2: Convert to fraction form
    7,189.26/10,781.76 = 3,238.23/x
  3. Step 3: Cross multiply
    7,189.26x = 10,781.76 × 3,238.23
  4. Step 4: Simplify right side
    7,189.26x = 34,913,792.40
  5. Step 5: Solve for x
    x = 34,913,792.40/7,189.26
  6. Step 6: Final answer
    x = 4,856.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.